Inflatable bladder for wristwatch



FIG. 1 is a front elevational view of an inflatable bladder for wristwatch showing my new design;

FIG. 2 is a left elevational view thereof;

FIG. 3 is a right elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front, right perspective view thereof. 

The ornamental design for an inflatable bladder for wristwatch, as shown and described. 